Hair iron



FIG. 1 is a first perspective view of a hair iron in accordance with the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a backside view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a second perspective view thereof. 

CLAIM I claim the ornamental design for hair iron, as shown. 